Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Maxim, Terekhov"'
Autor:
David Lohr, Alena Kollmann, Maya Bille, Maxim Terekhov, Ibrahim Elabyad, Michael Hock, Steffen Baltes, Theresa Reiter, Florian Schnitter, Wolfgang Rudolf Bauer, Ulrich Hofmann, Laura Maria Schreiber
Publikováno v:
Communications Medicine, Vol 4, Iss 1, Pp 1-17 (2024)
Abstract Background 7 T cardiac magnetic resonance imaging (MRI) studies may enable higher precision in clinical metrics like cardiac function, ventricular mass, and more. Higher precision may allow early detection of functional impairment and early
Externí odkaz:
https://doaj.org/article/75f9edee7a6b4e889da3e7609ffe633f
Autor:
Alena Kollmann, David Lohr, Markus J. Ankenbrand, Maya Bille, Maxim Terekhov, Michael Hock, Ibrahim Elabyad, Steffen Baltes, Theresa Reiter, Florian Schnitter, Wolfgang R. Bauer, Ulrich Hofmann, Laura M. Schreiber
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract Cardiac magnetic resonance (CMR) imaging allows precise non-invasive quantification of cardiac function. It requires reliable image segmentation for myocardial tissue. Clinically used software usually offers automatic approaches for this ste
Externí odkaz:
https://doaj.org/article/bcf38e5e496f4182ba99254e92a54efa
Autor:
Laura M. Schreiber, David Lohr, Steffen Baltes, Ulrich Vogel, Ibrahim A. Elabyad, Maya Bille, Theresa Reiter, Aleksander Kosmala, Tobias Gassenmaier, Maria R. Stefanescu, Alena Kollmann, Julia Aures, Florian Schnitter, Mihaela Pali, Yuichiro Ueda, Tatiana Williams, Martin Christa, Ulrich Hofmann, Wolfgang Bauer, Brenda Gerull, Alma Zernecke, Süleyman Ergün, Maxim Terekhov
Publikováno v:
Frontiers in Cardiovascular Medicine, Vol 10 (2023)
A key step in translational cardiovascular research is the use of large animal models to better understand normal and abnormal physiology, to test drugs or interventions, or to perform studies which would be considered unethical in human subjects. Ul
Externí odkaz:
https://doaj.org/article/9193eef9bf9242b49f87492d8e2116d8
Autor:
Stefan Herz, Maria R Stefanescu, David Lohr, Patrick Vogel, Aleksander Kosmala, Maxim Terekhov, Andreas M Weng, Jan-Peter Grunz, Thorsten A Bley, Laura M Schreiber
Publikováno v:
PLoS ONE, Vol 17, Iss 6, p e0270689 (2022)
BackgroundTo investigate the effects of B1-shimming and radiofrequency (RF) parallel transmission (pTX) on the visualization and quantification of the degree of stenosis in a coronary artery phantom using 7 Tesla (7 T) magnetic resonance imaging (MRI
Externí odkaz:
https://doaj.org/article/5544386ee28c43e09f1aec32e1c7c01f
Publikováno v:
Magnetic Resonance Materials in Physics, Biology and Medicine. 36:279-293
Introduction MRI of excised hearts at ultra-high field strengths ($${\mathrm{B}}_{0}$$ B 0 ≥7 T) can provide high-resolution, high-fidelity ground truth data for biomedical studies, imaging science, and artificial intelligence. In this study, we de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1d7ea82c4c1aa1e8f0b3bbedf8c4ac6
https://doi.org/10.1007/s10334-023-01077-z
https://doi.org/10.1007/s10334-023-01077-z
Autor:
Theresa Reiter, David Lohr, Michael Hock, Markus Johannes Ankenbrand, Maria Roxana Stefanescu, Aleksander Kosmala, Mathias Kaspar, Christoph Juchem, Maxim Terekhov, Laura Maria Schreiber
Publikováno v:
PLoS ONE, Vol 16, Iss 7, p e0252797 (2021)
IntroductionCardiac magnetic resonance (CMR) at ultrahigh field (UHF) offers the potential of high resolution and fast image acquisition. Both technical and physiological challenges associated with CMR at 7T require specific hardware and pulse sequen
Externí odkaz:
https://doaj.org/article/b87485b196e44a01b183ca4f021cf7a9
Publikováno v:
PLoS ONE, Vol 16, Iss 8, p e0255341 (2021)
The development of novel multiple-element transmit-receive arrays is an essential factor for improving B1+ field homogeneity in cardiac MRI at ultra-high magnetic field strength (B0 > = 7.0T). One of the key steps in the design and fine-tuning of suc
Externí odkaz:
https://doaj.org/article/cc6886e8a1004bafa5b10e63c7db1f54
Spin echo based cardiac diffusion imaging at 7T: An ex vivo study of the porcine heart at 7T and 3T.
Autor:
David Lohr, Maxim Terekhov, Andreas Max Weng, Anja Schroeder, Heike Walles, Laura Maria Schreiber
Publikováno v:
PLoS ONE, Vol 14, Iss 3, p e0213994 (2019)
Purpose of this work was to assess feasibility of cardiac diffusion tensor imaging (cDTI) at 7 T in a set of healthy, unfixed, porcine hearts using various parallel imaging acceleration factors and to compare SNR and derived cDTI metrics to a referen
Externí odkaz:
https://doaj.org/article/42a67ed108cb490387439b9b1cd431f8
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 69:3540-3557
Two 16-element radio frequency (RF) transceiver antisymmetric coil arrays with two different implementation designs aiming for improved characteristics for static phase $B_{1}^{+}$ shimming and parallel receive were developed for human cardiac MRI at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f9be4a1a52f5e7635eccdfcf5d2c1da
https://doi.org/10.1109/tmtt.2021.3079422
https://doi.org/10.1109/tmtt.2021.3079422
Autor:
Simon M F Triphan, Bertram J Jobst, Angela Anjorin, Oliver Sedlaczek, Ursula Wolf, Maxim Terekhov, Christian Hoffmann, Sebastian Ley, Christoph Düber, Jürgen Biederer, Hans-Ulrich Kauczor, Peter M Jakob, Mark O Wielpütz
Publikováno v:
PLoS ONE, Vol 12, Iss 2, p e0172479 (2017)
T1 maps have been shown to yield useful diagnostic information on lung function in patients with chronic obstructive pulmonary disease (COPD) and asthma, both for native T1 and ΔT1, the relative reduction while breathing pure oxygen. As parameter qu
Externí odkaz:
https://doaj.org/article/e3dfd52cc9084e639513153ee5118c2a